JP2022527452A - 一酸化炭素耐性アノードを備える水素ポンピングセルを有しシフト反応器を統合した固体酸化物形燃料電池システム - Google Patents
一酸化炭素耐性アノードを備える水素ポンピングセルを有しシフト反応器を統合した固体酸化物形燃料電池システム Download PDFInfo
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- JP2022527452A JP2022527452A JP2021556763A JP2021556763A JP2022527452A JP 2022527452 A JP2022527452 A JP 2022527452A JP 2021556763 A JP2021556763 A JP 2021556763A JP 2021556763 A JP2021556763 A JP 2021556763A JP 2022527452 A JP2022527452 A JP 2022527452A
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Abstract
Description
Claims (20)
- 燃料電池スタックと、
前記燃料電池スタックの燃料入口に燃料を供給するように構成された燃料吸入導管と、
電解質、カソード、及び一酸化炭素耐性アノードを含む電気化学式ポンプセパレータと、
前記燃料電池スタックの燃料排気出口を前記電気化学式ポンプセパレータのアノード入口に動作可能に接続している燃料排気導管と、
前記電気化学式ポンプセパレータのカソード出口を前記燃料吸入導管に動作可能に接続している生成物導管と
を備える燃料電池システム。 - 前記アノードは水性ガスシフト(WGS)触媒を含む、請求項1に記載のシステム。
- 前記アノードは、銀(Ag)、アルミニウム(Al)、金(Au)、コバルト(Co)、クロム(Cr)、銅(Cu)、鉄(Fe)、イリジウム(Ir)、モリブデン(Mo)、ニッケル(Ni)、パラジウム(Pd)、白金(Pt)、ルテニウム(Ru)、ロジウム(Rh)、タングステン(W)、亜鉛(Zn)、又はそれらの任意の組み合わせを含む純金属又は金属合金触媒を含む、請求項1に記載のシステム。
- 前記アノードは結合剤をさらに含み、
前記燃料排気導管は、前記燃料電池スタックの前記燃料排気出口から排出される燃料排気を、前記電気化学式ポンプセパレータの前記アノード入口に供給するように構成されており、
前記生成物導管は、前記電気化学式ポンプセパレータの前記カソード出口から排出される水素を、前記燃料吸入導管に供給するように構成されている、
請求項3に記載のシステム。 - 前記燃料排気導管を通る前記燃料排気の流れ方向に関して前記電気化学式ポンプセパレータの上流側の前記燃料吸入導管に、動作可能に接続された水性ガスシフト(WGS)反応器をさらに備える、請求項4に記載のシステム。
- 前記燃料電池スタックの空気入口に空気を供給するように構成された空気吸入導管と、
前記燃料排気導管及び前記空気吸入導管に動作可能に接続された空気予熱熱交換器であって、前記空気吸入導管内の前記空気を用いて前記燃料排気を冷却するように構成された前記空気予熱熱交換器と
をさらに備える、請求項1に記載のシステム。 - 前記生成物導管及び前記空気吸入導管に動作可能に接続された水素冷却熱交換器をさらに備え、前記水素冷却熱交換器が、前記空気吸入導管内の前記空気を用いて前記生成物導管内の前記水素を冷却するように構成された、請求項6に記載のシステム。
- 前記燃料電池スタックから排出される空気排気を受け入れるように構成された空気排気導管と、
前記空気排気導管及び前記空気吸入導管に動作可能に接続された空気熱交換器であって、前記空気排気導管内の前記空気排気を用いて前記空気吸入導管内の前記空気を加熱するように構成された前記空気熱交換器と
をさらに備える、請求項6に記載のシステム。 - 前記燃料吸入導管及び前記燃料排気導管に動作可能に接続された燃料熱交換器をさらに備え、前記燃料熱交換器が、前記燃料排気導管内の前記燃料排気を用いて前記燃料吸入導管内の前記燃料を加熱するように構成された、請求項6に記載のシステム。
- 前記燃料排気に曝される前記燃料熱交換器の表面が、水性ガスシフト(WGS)触媒で被覆された、請求項9に記載のシステム。
- 前記燃料排気を酸化するように構成されたアノードテールガス酸化器(ATO)と、
前記燃料排気導管に動作可能に接続され、前記燃料排気の一部を前記ATOに回すように構成されたスプリッタと
をさらに備える、請求項9に記載のシステム。 - 前記スプリッタは、前記燃料排気の流れ方向に関して、前記燃料熱交換器の下流側に配置されている、請求項11に記載のシステム。
- 前記空気予熱熱交換器を通って延在したセパレータ排気導管をさらに備え、前記セパレータ排気導管が、前記電気化学式ポンプセパレータのアノード出口から排出される燃料排気を前記ATOへ供給するように構成された、請求項11に記載のシステム。
- 前記燃料排気に曝される前記空気予熱熱交換器の表面が、水性ガスシフト(WGS)触媒で被覆された、請求項6に記載のシステム。
- 水性ガスシフト(WGS)触媒を含有する改質器をさらに備える、請求項6に記載のシステム。
- 前記燃料電池スタックはホットボックス内に配置され、前記電気化学式ポンプセパレータ及び前記WGS反応器は前記ホットボックスの外側に配置されている、請求項5に記載のシステム。
- 燃料電池スタックの燃料入口に燃料吸入流を供給するステップと、
電解質、カソード、及び一酸化炭素耐性アノードを備える電気化学式ポンプセパレータのアノード入口に、前記燃料電池スタックの燃料排気出口から燃料排気を供給するステップと、
前記電気化学式ポンプセパレータのカソード出口から排出される水素を前記燃料吸入流に供給するステップと
を含む、燃料電池システムを作動させる方法。 - 燃料電池スタックと、
電気化学式ポンプセパレータと、
前記電気化学式ポンプセパレータと統合された水性ガスシフト(WGS)触媒と、
前記燃料電池スタックの燃料排気出口を前記電気化学式ポンプセパレータのアノード入口に動作可能に接続している燃料排気導管と、
前記電気化学式ポンプセパレータのカソード出口を、前記燃料電池スタックの燃料入口に燃料を供給するように構成された燃料吸入導管に、動作可能に接続している生成物導管と
を備える燃料電池システム。 - 前記電気化学式ポンプセパレータが、
電解質と、
カソードと、
一酸化炭素耐性アノードであって、前記WGS触媒を含む前記アノードと
を備える、請求項18に記載のシステム。 - 前記燃料電池スタックの空気入口に空気を供給するように構成された空気吸入導管と、
前記生成物導管及び前記空気吸入導管に動作可能に接続された水素冷却熱交換器であって、前記生成物導管内の前記水素を、前記空気吸入導管内の空気を用いて冷却するように構成された前記水素冷却熱交換器と
をさらに備える、請求項19に記載のシステム。
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US16/790,269 | 2020-02-13 | ||
PCT/US2020/023089 WO2020197842A1 (en) | 2019-03-22 | 2020-03-17 | Solid oxide fuel cell system with hydrogen pumping cell with carbon monoxide tolerant anodes and integrated shift reactor |
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